<?php


class PwJsCompress extends AbstractPwCompiler
{
    /*
     * (non-PHPdoc) @see AbstractPwCompiler::doCompile()
     */
    public function doCompile()
    {
        $JS_DEV_PATH = Wind::getRealDir('PUBLIC:res.js.dev');
        $JS_BUILD_PATH = Wind::getRealDir('PUBLIC:res.js.build');

        $files = $this->_getFiles($JS_DEV_PATH);
        foreach ($files as $file) {
            $newfile = $JS_BUILD_PATH.substr($file, strlen($JS_DEV_PATH));
            WindFolder::mkRecur(dirname($newfile));
            if (substr($file, -3) != '.js') {
                if (!copy($file, $newfile)) {
                    return new PwError('copy failed');
                }
                continue;
            }
            $content = WindFile::read($file);
            $compress = jscompress::pack($content);
            if (!WindFile::write($newfile, $compress)) {
                return new PwError('write failed');
            }
        }
    }

    private function _getFiles($dir, $skipHiddenDirs = true)
    {
        if (!$handle = @opendir($dir)) {
            return array();
        }
        $files = array();
        while (false !== ($file = @readdir($handle))) {
            if ('.' === $file || '..' === $file) {
                continue;
            }
            if ($skipHiddenDirs && substr($file, 0, 1) === '.') {
                continue;
            }
            if (is_dir($dir.'/'.$file)) {
                $files = array_merge($files, $this->_getFiles($dir.'/'.$file));
            } elseif (is_file($dir.'/'.$file)) {
                $files[] = $dir.'/'.$file;
            }
        }
        @closedir($handle);

        return $files;
    }
}
/*
 * @名称:JS代码压缩 @作者:风吟 @演示:无 @网站:http://demos.fengyin.name/
 * @博客:http://fengyin.name/ @更新:2009年9月22日 20:29:24 @版权:Copyright (c)
 * 风吟版权所有，本程序为开源程序(开放源代码)。 只要你遵守 MIT licence 协议.您就可以自由地传播和修改源码以及创作衍生作品.
 */
/**
 * jsmin.php - PHP implementation of Douglas Crockford's JSMin.
 *
 * This is pretty much a direct port of jsmin.c to PHP with just a few
 * PHP-specific performance tweaks. Also, whereas jsmin.c reads from stdin and
 * outputs to stdout, this library accepts a string as input and returns another
 * string as output.
 *
 * PHP 5 or higher is required.
 *
 * Permission is hereby granted to use this version of the library under the
 * same terms as jsmin.c, which has the following license:
 *
 * --
 * Copyright (c) 2002 Douglas Crockford (www.crockford.com)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is furnished to
 * do
 * so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all
 * copies or substantial portions of the Software.
 *
 * The Software shall be used for Good, not Evil.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 * --
 *
 * @author Ryan Grove <ryan@wonko.com>
 * @copyright 2002 Douglas Crockford <douglas@crockford.com> (jsmin.c)
 * @copyright 2008 Ryan Grove <ryan@wonko.com> (PHP port)
 * @license http://opensource.org/licenses/mit-license.php MIT License
 *
 * @version 1.1.1 (2008-03-02)
 *
 * @link http://code.google.com/p/jsmin-php/
 */
class jscompress
{
    const ord_lf = 10;
    const ord_space = 32;
    protected $a = '';
    protected $b = '';
    protected $input = '';
    protected $inputindex = 0;
    protected $inputlength = 0;
    protected $lookahead = null;
    protected $output = '';

    public static function pack($js)
    {
        $jsmin = new self($js);

        return $jsmin->min();
    }

    public function __construct($input)
    {
        $this->input = str_replace("\r\n", "\n", $input);
        $this->inputlength = strlen($this->input);
    }

    protected function action($d)
    {
        switch ($d) {
            case 1:
                $this->output .= $this->a;
            case 2:
                $this->a = $this->b;
                if ($this->a === "'" || $this->a === '"') {
                    for (; ;) {
                        $this->output .= $this->a;
                        $this->a = $this->get();
                        if ($this->a === $this->b) {
                            break;
                        }
                        if (ord($this->a) <= self::ord_lf) {
                            throw new jscompressexception('unterminated string literal.');
                        }
                        if ($this->a === '\\') {
                            $this->output .= $this->a;
                            $this->a = $this->get();
                        }
                    }
                }
            case 3:
                $this->b = $this->next();
                if ($this->b === '/' && ($this->a === '(' || $this->a === ',' || $this->a === '=' || $this->a === ':' || $this->a === '[' || $this->a === '!' || $this->a === '&' || $this->a === '|' || $this->a === '?')) {
                    $this->output .= $this->a.$this->b;
                    for (; ;) {
                        $this->a = $this->get();
                        if ($this->a === '/') {
                            break;
                        } elseif ($this->a === '\\') {
                            $this->output .= $this->a;
                            $this->a = $this->get();
                        } elseif (ord($this->a) <= self::ord_lf) {
                            throw new jscompressexception(
                                'unterminated regular expression '.'literal.');
                        }
                        $this->output .= $this->a;
                    }
                    $this->b = $this->next();
                }
        }
    }

    protected function get()
    {
        $c = $this->lookahead;
        $this->lookahead = null;
        if ($c === null) {
            if ($this->inputindex < $this->inputlength) {
                $c = $this->input[$this->inputindex];
                $this->inputindex += 1;
            } else {
                $c = null;
            }
        }
        if ($c === "\r") {
            return "\n";
        }
        if ($c === null || $c === "\n" || ord($c) >= self::ord_space) {
            return $c;
        }

        return ' ';
    }

    protected function isalphanum($c)
    {
        return ord($c) > 126 || $c === '\\' || preg_match('/^[\w\$]$/', $c) === 1;
    }

    protected function min()
    {
        $this->a = "\n";
        $this->action(3);
        while ($this->a !== null) {
            switch ($this->a) {
                case ' ':
                    if ($this->isalphanum($this->b)) {
                        $this->action(1);
                    } else {
                        $this->action(2);
                    }
                    break;

                case "\n":
                    switch ($this->b) {
                        case '{':
                        case '[':
                        case '(':
                        case '+':
                        case '-':
                            $this->action(1);
                            break;

                        case ' ':
                            $this->action(3);
                            break;

                        default:
                            if ($this->isalphanum($this->b)) {
                                $this->action(1);
                            } else {
                                $this->action(2);
                            }
                    }
                    break;
                default:
                    switch ($this->b) {
                        case ' ':
                            if ($this->isalphanum($this->a)) {
                                $this->action(1);
                                break;
                            }
                            $this->action(3);
                            break;
                        case "\n":
                            switch ($this->a) {
                                case '}':
                                case ']':
                                case ')':
                                case '+':
                                case '-':
                                case '"':
                                case "'":
                                    $this->action(1);
                                    break;

                                default:
                                    if ($this->isalphanum($this->a)) {
                                        $this->action(1);
                                    } else {
                                        $this->action(3);
                                    }
                            }
                            break;

                        default:
                            $this->action(1);
                            break;
                    }
            }
        }

        return $this->output;
    }

    protected function next()
    {
        $c = $this->get();
        if ($c === '/') {
            switch ($this->peek()) {
                case '/':
                    for (; ;) {
                        $c = $this->get();

                        if (ord($c) <= self::ord_lf) {
                            return $c;
                        }
                    }
                case '*':
                    $this->get();
                    for (; ;) {
                        switch ($this->get()) {
                            case '*':
                                if ($this->peek() === '/') {
                                    $this->get();

                                    return ' ';
                                }
                                break;

                            case null:
                                throw new jscompressexception('unterminated comment.');
                        }
                    }
                default:
                    return $c;
            }
        }

        return $c;
    }

    protected function peek()
    {
        $this->lookahead = $this->get();

        return $this->lookahead;
    }
}
class jscompressexception extends exception
{
}
